CA2960711C - Processes for producing low nitrogen metallic chromium and chromium-containing alloys and the resulting products - Google Patents

Processes for producing low nitrogen metallic chromium and chromium-containing alloys and the resulting products Download PDF

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Publication number
CA2960711C
CA2960711C CA2960711A CA2960711A CA2960711C CA 2960711 C CA2960711 C CA 2960711C CA 2960711 A CA2960711 A CA 2960711A CA 2960711 A CA2960711 A CA 2960711A CA 2960711 C CA2960711 C CA 2960711C
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CA
Canada
Prior art keywords
chromium
process according
vacuum
nitrogen
metallic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CA2960711A
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English (en)
French (fr)
Other versions
CA2960711A1 (en
Inventor
Kleber A. Sernik
Alaercio Salvador Martins Vieira
Adriano Porfirio Rios
Daniel Pallos Fridman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Companhia Brasileira de Metalurgia e Mineracao
Original Assignee
Companhia Brasileira de Metalurgia e Mineracao
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Publication of CA2960711A1 publication Critical patent/CA2960711A1/en
Application granted granted Critical
Publication of CA2960711C publication Critical patent/CA2960711C/en
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00—Obtaining refractory metals
    • C22B34/30—Obtaining chromium, molybdenum or tungsten
    • C22B34/32—Obtaining chromium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/04—Dry methods smelting of sulfides or formation of mattes by aluminium, other metals or silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/04—Refining by applying a vacuum
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/045—Alloys based on refractory metals
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
    • C22C27/06—Alloys based on chromium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Processing Of Solid Wastes (AREA)
CA2960711A 2014-11-05 2015-10-05 Processes for producing low nitrogen metallic chromium and chromium-containing alloys and the resulting products Active CA2960711C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14/533,741 US10041146B2 (en) 2014-11-05 2014-11-05 Processes for producing low nitrogen metallic chromium and chromium-containing alloys and the resulting products
US14/533,741 2014-11-05
PCT/IB2015/002635 WO2016110739A2 (en) 2014-11-05 2015-10-05 Processes for producing low nitrogen metallic chromium and chromium-containing alloys and the resulting products

Publications (2)

Publication Number Publication Date
CA2960711A1 CA2960711A1 (en) 2016-07-14
CA2960711C true CA2960711C (en) 2023-09-26

Family

ID=55852015

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2960711A Active CA2960711C (en) 2014-11-05 2015-10-05 Processes for producing low nitrogen metallic chromium and chromium-containing alloys and the resulting products

Country Status (15)

Country Link
US (3) US10041146B2 (de)
EP (2) EP3553191B1 (de)
JP (1) JP6896622B2 (de)
KR (1) KR102630435B1 (de)
CN (1) CN107002170B (de)
AU (1) AU2015376120B2 (de)
BR (1) BR112017009370B1 (de)
CA (1) CA2960711C (de)
CL (1) CL2017001134A1 (de)
ES (2) ES2973967T3 (de)
MX (1) MX2017005901A (de)
PE (1) PE20171035A1 (de)
SG (1) SG11201702030TA (de)
WO (1) WO2016110739A2 (de)
ZA (1) ZA201701792B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9771634B2 (en) * 2014-11-05 2017-09-26 Companhia Brasileira De Metalurgia E Mineração Processes for producing low nitrogen essentially nitride-free chromium and chromium plus niobium-containing nickel-based alloys and the resulting chromium and nickel-based alloys
US10041146B2 (en) 2014-11-05 2018-08-07 Companhia Brasileira de Metalurgia e Mineraçäo Processes for producing low nitrogen metallic chromium and chromium-containing alloys and the resulting products
CN110923442B (zh) * 2019-12-17 2021-09-17 吕鲁平 一种从钛铁中矿中回收钛与铁的方法
CN112795794B (zh) * 2021-04-06 2021-07-06 西安斯瑞先进铜合金科技有限公司 一种采用湿法混合金属粉末制备高纯度金属铬块的方法
CN113444884B (zh) * 2021-05-17 2022-11-01 攀钢集团攀枝花钢铁研究院有限公司 一种微碳铬铁合金的制备方法
CN113430398B (zh) * 2021-05-17 2022-11-01 攀钢集团攀枝花钢铁研究院有限公司 一种含有钒元素的JCr98级金属铬及其制备方法
CN116121564A (zh) * 2023-02-16 2023-05-16 吴芳芳 一种真空炉外法金属铬冶炼的方法

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CN105624436B (zh) 2016-01-26 2017-08-25 娄底市大金新材料有限责任公司 高纯金属铬的生产方法及该方法用的真空电弧炉

Also Published As

Publication number Publication date
ES2737923T3 (es) 2020-01-17
US20160122848A1 (en) 2016-05-05
ZA201701792B (en) 2021-06-30
CL2017001134A1 (es) 2018-01-26
EP3215645A2 (de) 2017-09-13
MX2017005901A (es) 2017-11-08
WO2016110739A2 (en) 2016-07-14
BR112017009370B1 (pt) 2021-06-08
JP2018501400A (ja) 2018-01-18
AU2015376120A1 (en) 2017-03-23
WO2016110739A3 (en) 2016-09-01
CN107002170A (zh) 2017-08-01
AU2015376120B2 (en) 2021-05-27
US10041146B2 (en) 2018-08-07
US20170191145A1 (en) 2017-07-06
US11230751B2 (en) 2022-01-25
CN107002170B (zh) 2020-11-10
SG11201702030TA (en) 2017-05-30
JP6896622B2 (ja) 2021-06-30
ES2973967T3 (es) 2024-06-25
KR102630435B1 (ko) 2024-01-26
PE20171035A1 (es) 2017-07-17
KR20170087856A (ko) 2017-07-31
CA2960711A1 (en) 2016-07-14
EP3553191A1 (de) 2019-10-16
US20190003013A1 (en) 2019-01-03
EP3215645B1 (de) 2019-04-10
EP3553191B1 (de) 2023-12-06
BR112017009370A2 (pt) 2017-12-19

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